Israel would never do this. Millions would die in Tehran alone and Israel would be an international pariah. Moreover, it is likely that Iran has hardened facilities that could withstand such an attack. Our military has extensive infrastructures so equipped, as does Israel.
“Millions would die in Tehran alone and Israel would be an international pariah.”
Finally the right answer. Israel might, and I expect, use conventional weapons all day long but no nukes. They wouldn’t survive alone in the world if they did that.